I did again now, and with what I initially thought - cross correlate not values, but histograms - here is for example plot for all 16 bands (same playlist as in example): http://i.imgur.com/9Q3tc.pngIt was just silly idea. Things can't work that way.

Coincidentally, just yesterday, I had a tweet about Mel Cepstral Coefficients (MFC). Used for voice recognition, could provide also genre classification. Computing MFC is relatively easy, especially in Python: `import mfcc` , and searching further I found some papers, but related to classification (machine learning), not about track to track comparison, which should be much easier and deduced just by these coefficients, but not there yet.